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geant4/source/geometry/biasing/include/G4ImportanceAlgorithm.hh
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2019-12-06 15:12:28 +01:00

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//
// ********************************************************************
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//
// G4ImportanceAlgorithm
//
// Class description:
//
// An implementation of a G4VImportanceAlgorithm (see description in
// G4VImportanceAlgorithm header).
// Author: Michael Dressel (CERN), 2002
// ----------------------------------------------------------------------
#ifndef G4IMPORTANCEALGORITHM_HH
#define G4IMPORTANCEALGORITHM_HH 1
#include "G4VImportanceAlgorithm.hh"
class G4ImportanceAlgorithm : public G4VImportanceAlgorithm
{
public: // with description
G4ImportanceAlgorithm();
// simple construction
virtual ~G4ImportanceAlgorithm();
// repeate warning if triggered
virtual G4Nsplit_Weight Calculate(G4double ipre,
G4double ipost,
G4double init_w) const;
// calculate the number of tracks and their weight according to the
// pre and post importance value and the weight of the mother track
private:
void Error(const G4String& m) const;
void Warning(const G4String& m) const;
private:
mutable G4bool fWarned = false;
#ifdef G4MULTITHREADED
static G4Mutex ImportanceMutex;
#endif
};
#endif